Arbitrary file upload in Apache Answer
CVE-2026-33582
Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. A crafted TIFF image could trigger excessive memory allocation during image decoding, allowing an authenticated user to cause the server process to crash. Users are recommended to upgrade to version 2.0.1, which fixes the issue.
Vulnerability class: Unrestricted File Upload
EPSS: 0.005 (40.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apache Answer
- Apache Software Foundation Answer — versions 0
Weakness classification (CWE)
References
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-33582?
- CVE-2026-33582 is a medium-severity vulnerability in Apache Answer, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2026-06-09.
- How severe is CVE-2026-33582?
- Medium severity. CVSS v3 base score is 6.5 out of 10.